400334422024 has 8 divisors (see below), whose sum is σ = 750627041310. Its totient is φ = 200167211008.

The previous prime is 400334422013. The next prime is 400334422031. The reversal of 400334422024 is 420224433004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 340367228100 + 59967193924 = 583410^2 + 244882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 400334421983 and 400334422001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25020901369 + ... + 25020901384.

Almost surely, 2^400334422024 is an apocalyptic number.

It is an amenable number.

400334422024 is a deficient number, since it is larger than the sum of its proper divisors (350292619286).

400334422024 is a wasteful number, since it uses less digits than its factorization.

400334422024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50041802759 (or 50041802755 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 400334422024 its reverse (420224433004), we get a palindrome (820558855028).

The spelling of 400334422024 in words is "four hundred billion, three hundred thirty-four million, four hundred twenty-two thousand, twenty-four".